/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.nacos.config.server.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * Request util
 * @author Nacos
 *
 */
public class RequestUtil {

    public static final String CLIENT_APPNAME_HEADER = "Client-AppName";

    public static String getRemoteIp(HttpServletRequest request) {
        String nginxHeader = request.getHeader("X-Real-IP");
        return (nginxHeader == null) ? request.getRemoteAddr() : nginxHeader;
    }
    
	public static String getAppName(HttpServletRequest request) {
		return request.getHeader("Client-AppName");
	}
    
}
